Unit 4: Sweet Treats Bakery—Ratio and Proportional Reasoning

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Overview

Ratios are all around you. For example, in a classroom there is a ratio of boys to girls, students to teachers or chairs to tables. In this unit, you will learn what a ratio is and the many ways a ratio can be represented, understand the concept of a unit rate and use ratio and rate reasoning to solve real-world problems. So, when will you ever have to use ratios outside of the classroom? If you ever plan on driving a car you’ll need to understand the relationship between miles per gallon, miles per hour and cost per gallon. Guess what? They’re all ratios! Do you enjoy shopping? Wanna be able to get the best bang for your buck? Guess what? More ratios! Want to invite friends over for dinner? Your recipe only serves four and you’ve invited twelve friends. Guess what you’re going to need? Ratios! In this unit you will learn how Sweet Treats Bakery uses ratios to run their business.